排煙罩是常用的排煙通風(fēng)設(shè)備，風(fēng)機設(shè)備在使用一段時間后會產(chǎn)生很多問題，發(fā)生一系列故障。客戶對于排煙罩的故障很是困惑?，F(xiàn)在廠家根據(jù)多年的設(shè)計和生產(chǎn)經(jīng)驗，總結(jié)了如下排煙罩常見機械故障：

Smoke exhaust hood is a commonly used smoke exhaust and ventilation equipment. After using the fan equipment for a period of time, many problems and a series of faults will occur. The customer is very confused about the failure of the smoke exhaust hood. Now, based on years of design and production experience, the manufacturer has summarized the following common mechanical faults of smoke exhaust hood:

1、軸承溫升過高：

1. Bearing temperature rise too high:

①軸承支架座劇列振動；②潤滑油脂質(zhì)量不好，變質(zhì)，含有灰塵粘砂污垢等雜質(zhì)，軸承座聯(lián)接螺栓的緊力過大或過小，軸承缺油運行；③軸與軸承安裝歪斜，前后二軸軸承不同心；④軸承損壞或軸承壽命已到；⑤排煙罩軸與電機軸平衡，皮帶槽錯位。

① The bearing support seat vibrates in series; ② The lubricating grease is of poor quality, deteriorated, contains impurities such as dust, sand, dirt, etc., the tightening force of the connecting bolt of the bearing seat is too large or too small, and the bearing runs in lack of oil; ③ The shaft and bearing are installed askew, and the front and rear shaft bearings are not concentric; ④ The bearing is damaged or its service life has expired; ⑤ The smoke exhaust hood shaft is balanced with the motor shaft, and the belt groove is misaligned.

2、風(fēng)機振動：

2. Fan vibration:

①葉輪不平衡；②葉輪螺釘松動或輪盤、葉片變形；③基礎(chǔ)的剛度不夠或不牢固；④機殼與支架軸承與支架聯(lián)接螺栓松動；⑤減振器位置不當引起偏移。

① Impeller is unbalanced; ② The impeller screw is loose or the disc and blade are deformed; ③ The rigidity of the foundation is not enough or firm; ④ The connecting bolts of the housing and support bearings and supports are loose; ⑤ The center of gravity shift is caused by the improper position of the shock absorber.

3、葉輪擦亮：

3. Impeller polishing:

①葉輪不平衡或變形；②機殼或進風(fēng)口與葉輪摩擦；③葉輪反轉(zhuǎn)引起葉輪緊固件松動；④葉輪軸盤孔與軸松動；⑤排煙罩進出氣管道安裝不良。

① Impeller is unbalanced or deformed; ② The casing or air inlet rubs with the impeller; ③ Impeller rotation causes impeller fasteners to loosen; ④ The impeller shaft disc hole and shaft are loose; ⑤ The inlet and outlet pipes of smoke exhaust hood are poorly installed.

4、啟動時排煙罩處有響聲：

4. There is noise at the smoke exhaust hood during startup:

風(fēng)輪震蕩太厲害。

The wind wheel vibrates too much.

隔熱板震動。

The heat shield vibrates.

電機支架腳松動導(dǎo)致電機震動有響聲。

The loose feet of the motor support lead to the vibration and noise of the motor.

機軸上的散熱風(fēng)葉震蕩有響聲。

The cooling fan blades on the shaft vibrate and make noise.

電機轉(zhuǎn)軸有響聲。

The motor shaft makes a noise.

緊固風(fēng)輪上的螺母，如仍不行，請更換風(fēng)輪。

Tighten the nut on the wind wheel. If it still fails, replace the wind wheel.

緊固隔熱板的螺絲。

Tighten the screws of the heat shield.

緊固電機支架腳螺絲。

Tighten the motor bracket foot screws.

重新調(diào)整各中片的角度及位置。

Readjust the angle and position of each middle piece.

濟南排煙罩廠家建議這個時候可以更換電機。

Jinan smoke exhaust hood manufacturer suggests that the motor can be replaced at this time.

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